Mesa Clover Gallium3D Now Supports OpenCL ICD
Written by Michael Larabel in Mesa on 21 October 2013 at 03:18 PM EDT. 2 Comments
Last week OpenGL 3.3 support landed in Mesa and now to kick off the new week there's another important milestone for the open-source graphics project. The major milestone that just happened is the "Clover" Gallium3D state tracker for OpenCL/GPGPU support now can provide OpenCL ICD support.

The OpenCL ICD extension allows for "Installable Client Drivers" so that multiple OpenCL implementations can co-exist on the same system and be installed at the same time. In turn the OpenCL ICD loader library handles the responsibility of letting CL-using applications choose which platform/device they wish.

OpenCL ICD makes having multiple GPUs/drivers easier or also CPU-based OpenCL implementations. Driver packaging is also made simpler. The original Mesa OpenCL ICD support was published this past summer but only today the support has been committed to mainline Mesa ahead of the Mesa 10.0 release in November.

Adding the CL ICD extension support to Mesa happened with this Git commit and there were also other other Clover Git commits too for laying the groundwork to this new support.

More details on the current OpenCL Gallium3D/Mesa support can be found via the Clover presentation from last month.

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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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